Find what you’re looking for
Browse everything
6,838 results in Threat Reports
Argo CD 2025 API Flaw Exposes Repository Credentials: What Enterprises Must Know
In September 2025, a critical vulnerability (CVE-2025-55190) in Argo CD—a widely used Kubernetes-native continuous deployment platform—was discovered that allowed API tokens, including those with minimal project-level permissions, to access API endpoints and retrieve all repository credentials for a given project. While the flaw required possession of a valid Argo CD API token, even low-privileged users could exploit this issue to bypass established isolation mechanisms and exfiltrate sensitive repository usernames and passwords. This exposure could enable attackers to clone proprietary codebases, inject malicious configurations, and potentially initiate supply chain compromises or further lateral movement, particularly impactful given Argo CD's widespread enterprise adoption by organizations like Adobe, Google, IBM, and Capital One. The incident underscores the ongoing risks posed by misconfigured API permissions in CI/CD pipelines, particularly as attackers increasingly target software supply chains. With credential-based attacks on the rise and major regulatory and industry scrutiny on API security, organizations must act quickly to patch, enhance access controls, and apply zero-trust principles in DevOps contexts.
TP-Link Routers Hit by 2025 Zero-Day: What You Need to Know About the CWMP Exploit
In September 2025, TP-Link confirmed a critical zero-day vulnerability impacting multiple router models, including Archer AX10 and AX1500. Discovered by independent researcher Mehrun (ByteRay), the stack-based buffer overflow exists within the routers' CWMP (CPE WAN Management Protocol) implementation, specifically in handling SOAP messages due to improper validation in 'strncpy' calls. Attackers can exploit this flaw to achieve remote code execution by redirecting devices to malicious CWMP servers or leveraging unchanged default credentials, leading to device compromise. Once compromised, adversaries can reroute DNS queries, intercept traffic, and inject malicious payloads, raising severe risks for users and organizations relying on affected devices. The continued exploitation of similar router vulnerabilities by groups like Quad7 botnet highlights a shift in attacker TTPs towards leveraging consumer and SOHO networking devices as entry points and persistence mechanisms. The prevalence of these attacks underscores the urgent need for robust patch management and secure configuration in edge infrastructure.
Q2 2025 Global Ransomware Surge: Qilin, Nefilim, Black Kingdom, and the Modern Threat Landscape
In Q2 2025, the global ransomware threat landscape saw a significant surge with the discovery of 1,702 new ransomware variants and nearly 86,000 users targeted. High-profile law enforcement actions included indictments and extraditions involving Black Kingdom, Nefilim, Ryuk, DoppelPaymer, and RobbinHood operators. Major campaigns leveraged vulnerabilities in SAP NetWeaver, Fortinet devices, and Microsoft Windows (CLFS driver), with actors like Qilin and DragonForce demonstrating adeptness in exploiting zero-days and supply chain weaknesses. Double extortion and rapid lateral movement were widely observed, affecting critical sectors worldwide, including healthcare, government, and managed service providers. This incident underscores the advancement of ransomware attack tactics, the spread of sophisticated variants, and the persistence of threat actors despite law enforcement measures. The continued exploitation of newly discovered vulnerabilities and focus on high-revenue targets highlight the urgent need for enhanced prevention, detection, and incident response across organizations of all sizes.
GodRAT: New RAT Targets Financial Institutions via Skype with Evolved Tactics in 2024
In late 2024, a targeted campaign leveraged a new remote access trojan, GodRAT, to infiltrate trading and brokerage firms across Hong Kong, the UAE, and other countries. Attackers, likely linked to the Winnti APT group, distributed malicious .scr and .pif files disguised as financial documents via Skype. These files deployed GodRAT—an evolved variant of Gh0st RAT—using innovative techniques like steganography to evade detection. Once inside victim networks, the campaign used file management plugins and browser password stealers to exfiltrate sensitive credentials, while also deploying secondary implants such as AsyncRAT for persistent control. This ongoing incident highlights both the durability of legacy RAT codebases and the adaptability of threat actors employing advanced delivery and evasion tactics. It reflects a wider trend where financial institutions face persistent threats from intelligent, identity- and credential-focused attacks using proven malware frameworks.
How Attackers Are Sidestepping macOS Built-in Security in 2024
In 2024, researchers and incident responders observed a sophisticated wave of cyberattacks targeting macOS systems, where adversaries adapted to built-in security protections such as Keychain, Gatekeeper, TCC, and System Integrity Protection. Threat actors leveraged utilities like Chainbreaker to extract password data, employed social engineering to bypass File Quarantine and Gatekeeper, and manipulated permission prompts through clickjacking techniques. By exploiting command-line utilities, attackers disabled or evaded standard protections, leading to potential exposure of sensitive credentials and increased risk of full system compromise. The macOS attack landscape continues to evolve, with adversaries innovating to evade resilient, native defenses. Rising adoption of macOS in enterprise environments and the seamless integration with personal devices make these evasion TTPs especially critical for security teams and compliance requirements focused on regulated and sensitive data.
2025 Spotlight: ESET Uncovers First AI-Powered PromptLock Ransomware
In September 2025, ESET Research identified PromptLock, the first documented case of AI-powered ransomware. While not deployed in active attacks, PromptLock is a sophisticated proof-of-concept that leverages OpenAI’s gpt-oss-20b model via the Ollama API to create malicious Lua scripts in real-time. Written in Golang for both Windows and Linux, PromptLock automates enumeration, exfiltration, and encryption of target system files, with variants found on VirusTotal. Its design demonstrates the feasibility of AI-augmented malware, where dynamic scripting enables rapid adaptation to environments and highly automated attack flows. PromptLock’s discovery highlights the emergence of AI-driven tactics that could accelerate ransomware development and proliferation. As AI tools become more accessible, the risk of advanced, autonomous threats challenging enterprise security controls grows sharply, signaling a pivotal shift in the threat landscape.
DSLRoot & the Legal Botnet Threat: How Proxy Networks Create Global Security Gaps
In August 2025, longstanding residential proxy provider DSLRoot was exposed for recruiting US residents to host dedicated proxy devices on their home Internet lines, including high-risk individuals such as a U.S. Air National Guard member with top-secret clearance. The company, with origins and affiliations in Russia and Eastern Europe, leverages consent-based proxy networks—sometimes referred to as 'legal botnets'—enabling anonymized traffic redirection and potential abuse by third parties. DSLRoot's proxies are promoted on underground forums and have leveraged adware pay-per-install schemes, bypassing traditional ISP terms and offering services worldwide. The incident raised concerns about unmanaged East-West network traffic, lack of egress controls, and gaps in threat detection on residential endpoints, highlighting the ease with which attackers or unauthorized users can exploit commoditized infrastructure for fraud, anonymity, or more severe criminal purposes. This case underscores the growing risks of proxy network abuse, which threatens both enterprise and government environments by eroding identity controls and facilitating untraceable activity. The increasing prevalence of 'legal botnets' fueled by incentives and lax regulation makes this a high-priority issue for organizations seeking to enforce policy, maintain compliance, and detect anomalous traffic patterns across diverse environments.
Inside the 2025 Salesloft Supply Chain Breach: Token Theft at Scale
In August 2025, Salesloft, a leading AI chatbot provider, suffered a significant supply chain compromise when attackers exfiltrated authentication tokens via its Drift integration. The breach allowed unauthorized access to hundreds of customer-connected services, including Salesforce, Slack, Google Workspace, Amazon S3, Azure, and OpenAI, impacting more than 5,000 customers. The attackers, tracked as UNC6395 and possibly linked to ShinyHunters or Scattered Spider, began siphoning sensitive corporate data from at least August 8 to August 18, 2025. The incident led to mass data theft, urgent token invalidation efforts, and subsequent blocking of Drift integrations by Salesforce. This breach highlights the surging threats posed by identity-driven attacks and the risks of over-permissive third-party integrations in the enterprise cloud ecosystem. As attackers increasingly exploit centralized authentication and SSO environments, organizations face urgent pressure to revisit access controls and strengthen detection of abuse within legitimate user sessions.
Azure AD Credential Exposure: Public Config File Leak Spotlights Cloud Risks
In early 2024, a significant security incident was discovered involving the inadvertent exposure of Azure Active Directory credentials via a misconfigured JSON configuration file. The public accessibility of this file enabled malicious actors to directly authenticate against Microsoft’s OAuth 2.0 endpoints, bypassing traditional security controls and potentially infiltrating cloud environments. Attackers leveraged this cloud misconfiguration to escalate cloud access, risking business-critical Azure resources, data loss, and lateral movement inside affected organizations. Detection came after researchers observed unusual authentication patterns linked to public file sharing, prompting rapid investigation and remediation efforts. The incident underscores how easily overlooked misconfigurations can undermine enterprise cloud security and compliance obligations. The breach highlights ongoing challenges as organizations migrate sensitive workflows to the cloud. Public file exposure, credential leakage, and abuse of identity platforms like Azure Active Directory remain top attack vectors. This incident amplifies recent regulatory scrutiny, reinforces the need for cloud visibility and zero trust practices, and signals rising attacker sophistication in exploiting misconfigured storage and identity controls.
Phishing Empire Unmasked: How Cloud Phishing-as-a-Service Campaigns Evade Detection
In 2024, a sophisticated phishing-as-a-service (PhaaS) operation leveraged Google and Cloudflare infrastructure to host undetectable phishing sites for over three years. By employing advanced cloaking techniques and encrypted traffic, threat actors were able to evade detection by security platforms and browsers, targeting users globally and harvesting credentials at scale. The persistent campaign highlights the effectiveness of public cloud abuse for malicious operations and the operational difficulties organizations face in detecting and mitigating such well-cloaked threats. This incident underscores a growing trend: cybercriminals turning to public cloud providers for reliable infrastructure and exploiting their reputation to bypass security controls. It also signals the adaptability of phishing campaigns and the need for enhanced monitoring and zero trust strategies in response to evolving attacker TTPs.
APT28 Exploits Microsoft Outlook: Inside the 2024 NotDoor Backdoor Attack
In 2024, the Russian state-sponsored group APT28 (also known as Fancy Bear) leveraged a new backdoor called "NotDoor" to infiltrate targeted organizations via Microsoft Outlook. Researchers from Lab52 revealed that attackers delivered NotDoor using DLL sideloading through OneDrive.exe, enabling them to bypass Outlook's macro security and gain persistent access. Once deployed, NotDoor monitored incoming Outlook emails for specific trigger words, allowing APT28 to exfiltrate sensitive data, upload malicious files, and execute remote commands without detection. Outlook's native functions were abused to provide covert communications and stealthy data transfers, making detection difficult. This incident illustrates the continued evolution of state-sponsored attack methods, especially the abuse of ubiquitous business software like Microsoft Outlook for stealthy, command-and-control operations. Organizations face mounting pressure to address advanced persistent threats exploiting native application behaviors and to enhance email and endpoint security in response to these sophisticated tactics.
Inside the Salesloft Drift Supply Chain Breach: How OAuth Token Theft Exposed SaaS Leaders
In August 2023, the threat group UNC6395 exploited a vulnerability in Salesloft’s Drift SaaS marketing platform, targeting OAuth and refresh tokens stored within its Salesforce integration. By leveraging these stolen tokens, attackers performed lateral movement into several customer Salesforce environments, extracting business contact records, support case data, and in some instances, sensitive configuration details and access credentials from high-profile clients such as Zscaler, Palo Alto Networks, Cloudflare, Proofpoint, and Tenable. Salesloft and Salesforce responded by revoking tokens and disabling integrations, while impacted organizations rushed to assess and mitigate the damage. This incident underscores the persistent risk of supply chain compromises targeting SaaS integrations and identity-based authentication mechanisms. As attackers increasingly leverage token theft for stealthy, authorized access, organizations must adopt granular permissions, token security best practices, and rapid credential rotation to safeguard against similar threats.